/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.dolphinscheduler.plugin.task.dq.utils;

import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.util.Base64;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Md5Utils
 */
public class Md5Utils {

  private static final Logger logger = LoggerFactory.getLogger(Md5Utils.class);

  private Md5Utils() {
    throw new IllegalStateException("Utility class");
  }

  public static String getMd5(String src, boolean isUpper) {
    String md5 = "";
    try {
      MessageDigest md = MessageDigest.getInstance("SHA-256");
      Base64.Encoder encoder = Base64.getEncoder();
      md5 = encoder.encodeToString(md.digest(src.getBytes(StandardCharsets.UTF_8)));
    } catch (Exception e) {
      logger.error("get md5 error: {}", e.getMessage());
    }

    if (isUpper) {
      md5 = md5.toUpperCase();
    }

    return md5;
  }
}
